condition	mean	min	max
4 h after light	1308.8	1308.8	1308.8
8 h after light	1196.5	1177.5	1215.5
12 h after light	971.45	844.0	1098.9
4 h after dark	1137.25	792.2	1482.3
8 h after dark	1310.85	1226.8	1394.9
12 h after dark	1237.7	1229.0	1246.4